The present work relates to a morphological and karyotypical analysis of four phenotypically different weedy red rice biotypes in comparison with the cultivar Loto, used as control. A preliminary analysis, by means of a computerized chromosome image method (CHIA – EA), showed that in the red rice various traslocations occur which always involve a chromosome of the first pair together with other elements of the set (Sparacino et al., 2004). The results presented here clearly indicate that each red rice biotype is characterized by a specific traslocation, showing a relationship between different phenotypes and karyotypes.
Morphological and karyotypical characterization of four biotypes of red rice (Oryza sativa subsp. Japonica var. sylvatica) / C. Halfer, A.C. Sparacino, C. Ruini, D. Ditto, F. Tano. ((Intervento presentato al 4. convegno International Temperate Rice Conference tenutosi a Novara nel 2007.
Morphological and karyotypical characterization of four biotypes of red rice (Oryza sativa subsp. Japonica var. sylvatica)
A.C. SparacinoSecondo
;C. Ruini;D. DittoPenultimo
;F. TanoUltimo
2007
Abstract
The present work relates to a morphological and karyotypical analysis of four phenotypically different weedy red rice biotypes in comparison with the cultivar Loto, used as control. A preliminary analysis, by means of a computerized chromosome image method (CHIA – EA), showed that in the red rice various traslocations occur which always involve a chromosome of the first pair together with other elements of the set (Sparacino et al., 2004). The results presented here clearly indicate that each red rice biotype is characterized by a specific traslocation, showing a relationship between different phenotypes and karyotypes.
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